TY  - RPRT
TI  - Aeroradioactivity map of Sault Sainte Marie and vicinity, Michigan
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1979
DO  - 10.3133/ofr79852
UR  - https://pubs.usgs.gov/publication/ofr79852
ID  - ofr79852
ER  -